Question

18. The perimeter of a trapezium is 52 cm and
its each non-parallel side is equal to 10 cm
with its height 8 cm. It area is
(a) 124 cm?
(b) 118 cm?
(c) 128 cm? .(d) 112 cm?
19. The areas of two circles are in the ratio 49:
64. Find the ratio of their circumferences.
(a) 7:8 (b) 5:8 (c) 5:3 (d) 5:9
20. The diameter of the wheels of a bus is 140
cm. How many revolutions per minute
must a wheel make in order to move at a
speed of 66 km/h ?
(a) 200 (b) 250 (c) 300 (d) 350
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Answer 1

Answer:

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